WEB3 days ago · Bird | Description, Species, Classification, Types, & Facts | Britannica. Home Science Birds, Reptiles & Other Vertebrates Birds. bird. animal. Also known as: Aves, fowl. Written by. Robert W. Storer. Emeritus Professor of Zoology, University of Michigan, Ann Arbor; Curator of Birds, Museum of Zoology, 1956–85. Robert W. Storer, Frank Gill.